Lecture 2 - Scientific Method Flashcards
4 steps to the scientific method
Observation
Hypothesis
Experiment
Conclusion
True/False: If you can’t observe it, you can’t know anything about it.
True
Your best guess As to what it is you’re observing
Hypothesis
Step of scientific method that deals with analyzing your data
Experiment
Which step of the scientific method do we spend most of our time
Experiment
Changeable element of an experiment
Variable
3 different types of variables
Independent
Dependent
Standardized
Type of variable:
Manipulated (Placebo) (type of antibiotic)
Independent
Type of variable:
Held constant for ALL subjects (how much water, sunlight, etc) (age, sex, weight, etc)
Standardized
Type of variable:
Shows response (effectiveness of treatment)
Dependent
Which variable is the most difficult
Standardized
The number of individuals
Sample size
True/False: the > sample size = > meaningful results
True
Which step of the scientific method:
The results are analyzed and the hypothesis is supported or rejected
Conclusion
Name the step of the scientific method:
Car Scenario
Car’s not starting
Observation